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Anytime, Complete Algorithm for Finding Utilitarian Optimal Solutions to STPPs

机译:随时,完整的算法来查找STPPS的功利最佳解决方案

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We present a simple greedy algorithm and a novel complete algorithm for finding utilitarian optimal solutions to Simple Temporal Problems with Preferences. Unlike previous algorithms, ours does not restrict preference functions to be convex. We present experimental results showing that (1) a single iteration of the greedy algorithm produces high-quality solutions, (2) multiple iterations, bounded by the square of the number of constraints, produce near-optimal solutions, and (3) our complete, memory-boundable algorithm has compelling anytime properties and outperforms a branch-and-bound algorithm.
机译:我们提出了一种简单的贪婪算法和一种新颖的完整算法,用于查找具有偏好的简单时间问题的功效最佳解决方案。与以前的算法不同,我们的不限于凸出的偏好函数。我们呈现实验结果表明(1)贪婪算法的单一迭代产生高质量解决方案,(2)多次迭代,由约束数量的平方,产生近最佳解决方案,(3)我们的完整,内存可选算法的任何时间属性都令人统一,并且优于分支和绑定算法。

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